def change(self, **kwargs):
args = list()
data = list()
for key, value in kwargs.iteritems():
if isinstance(value, int):
data.append("{}={}".format(key, value))
elif isinstance(value, str):
data.append("{}='{}'".format(key, value))
for key, value in self.__mappings__.iteritems():
column_name = value.name
column_value = getattr(self, key)
if column_value is not None:
if isinstance(value, StringField):
column_value = "'{}'".format(column_value)
elif isinstance(value, IntegerField):
column_value = column_value
args.append("{}={}".format(column_name, column_value))
if len(args) > 0 and len(data) > 0:
sql = "UPDATE {} SET {} WHERE {}".format(self.__table__,
",".join(data),
" AND ".join(args))
if self.__show_sql__:
print sql
config.execute(sql)
def clear(self):
if self.session.get(Config.CART_SESSION_ID):
del self.session[Config.CART_SESSION_ID]
username = self.session.get('user_id')
if username:
sql = text('delete from cart where username = :username')
execute(sql, {'username': username})
self.save()
def remove(self, product):
product_id = str(product['id'])
if product_id in self.cart:
del self.cart[product_id]
username = self.session.get('user_id')
if username:
sql = text('delete from cart where username = :username and product = :product')
execute(sql, {'username': username, 'product': int(product['id'])})
self.save()
def add(self, product, num=1, update_num=False):
product['id'] = str(product['id'])
if product['id'] not in self.cart:
self.cart[product['id']] = {'num': 0, 'price': str(product['price'])}
if update_num:
self.cart[product['id']]['num'] = num
else:
self.cart[product['id']]['num'] += num
username = self.session.get('user_id')
if username:
sql = text(
'insert into cart (username, product, num) values (:username, :product, :num) on duplicate key update num = :num')
execute(sql, {'username': username, 'product': int(product['id']), 'num': self.cart[product['id']]['num']})
self.save()
def create(self, cart: Cart):
sql = text("insert into order_ (price, name,"
"phone, address) values (:price,:name,:phone,:address)")
result = execute(sql, {'price': cart.get_total_price, 'name': self.name, 'phone': self.phone,
'address': self.address})
sql = text(
f"insert into order_items (id, product, price, num) VALUES ({result.lastrowid}, :product, :price, :num)")
for item in cart:
product = item['product']
execute(sql, {'product': product['id'], 'price': product['price'], 'num': item['num']})
username = session.get('user_id')
if username:
sql = text("insert into orders (username, order_id) VALUES (:name,:id)")
execute(sql, {'name': username, 'id': result.lastrowid})
self.id = result.lastrowid
def remove(self):
args = list()
for key, value in self.__mappings__.iteritems():
column_name = value.name
column_value = getattr(self, key)
if column_value is not None:
if isinstance(value, StringField):
column_value = "'{}'".format(column_value)
elif isinstance(value, IntegerField):
column_value = column_value
args.append("{}={}".format(column_name, column_value))
if len(args) > 0:
sql = "DELETE FROM {} WHERE {}".format(self.__table__,
" AND ".join(args))
if self.__show_sql__:
print sql
config.execute(sql)
def find_all(self):
result = None
sql = "SELECT * FROM {}".format(self.__table__)
if self.__show_sql__:
print sql
try:
result = config.execute(sql)
except XssforkTaskError as e:
raise XssforkTaskFindError(e)
return result
def find_lastest_id(self):
result = None
sql = "SELECT last_insert_rowid() FROM {}".format(self.__table__)
if self.__show_sql__:
print sql
try:
result = config.execute(sql)[0][0]
except XssforkTaskError as e:
raise XssforkTaskFindError(e)
return str(result)
def save(self):
fields = list()
args = list()
for key, value in self.__mappings__.iteritems():
column_name = value.name
column_value = getattr(self, key)
if column_value is not None:
fields.append(column_name)
if isinstance(value, StringField):
args.append("'%s'" % column_value)
elif isinstance(value, IntegerField):
args.append(column_value)
sql = 'INSERT INTO {} ({}) VALUES ({})'.format(self.__table__,
', '.join(fields),
', '.join(args))
if self.__show_sql__:
print sql
try:
config.execute(sql)
except XssforkTaskError as e:
raise XssforkTaskSaveError(e)
def run(slug, tag="reference|student", stdin="" ):
cmd = [cfg["safeexec-executable-abspath"]]
#~ cmd += ["--chroot_dir", cfg["java_jail-abspath"]]
#~ cmd += ["--exec_dir", "/" + refdir]
cmd += ["--fsize", "5"]
cmd += ["--nproc", "1"]
cmd += ["--clock", "1"]
cmd += ["--mem", "600000"] # TODO: move to config?
cmd += ["--exec", slug+'.exe']
#~ cmd += args
running = execute(cmd, stdin, flag_badchars = True)
def check_run_error():
if running.returncode != 0 or not running.stderr.startswith("OK"):
if 'student' in tag.lower(): # for students -- humanreadable info
errmsg = running.stderr
if "elapsed time:" in errmsg:
errmsg = errmsg[:errmsg.index("elapsed time:")]
errmsg = errmsg.replace("Command terminated by signal (8: SIGFPE)",
"Floating point exception")
errmsg = errmsg.replace("Command terminated by signal (11: SIGSEGV)",
"Segmentation fault (core dumped)")
result = "<div>Crashed! "
if errmsg != "":
result += "Error messages:" + pre(errmsg)
if running.stdout != "":
result += "Produced this output:"+pre(running.stdout)
# result += "Return code:"+pre(str(running.returncode))
result += "</div>"
return ("Sandbox Limit", result)
else: # for reference -- more detailed
return ("Internal Error",
"<div>Reference solution crashed!"+
"<br>stdout:"+pre(running.stdout) +
"stderr:"+pre(running.stderr) +
"val:"+pre(str(running.returncode))+
"</div>"
)
running.error = check_run_error()
return running
def run(slug, tag="reference|student", stdin=""):
cmd = [cfg["safeexec-executable-abspath"]]
#~ cmd += ["--chroot_dir", cfg["java_jail-abspath"]]
#~ cmd += ["--exec_dir", "/" + refdir]
cmd += ["--fsize", "5"]
cmd += ["--nproc", "1"]
cmd += ["--clock", "1"]
cmd += ["--mem", "600000"] # TODO: move to config?
cmd += ["--exec", slug + '.exe']
#~ cmd += args
running = execute(cmd, stdin, flag_badchars=True)
def check_run_error():
if running.returncode != 0 or not running.stderr.startswith("OK"):
if 'student' in tag.lower(): # for students -- humanreadable info
errmsg = running.stderr
if "elapsed time:" in errmsg:
errmsg = errmsg[:errmsg.index("elapsed time:")]
errmsg = errmsg.replace(
"Command terminated by signal (8: SIGFPE)",
"Floating point exception")
errmsg = errmsg.replace(
"Command terminated by signal (11: SIGSEGV)",
"Segmentation fault (core dumped)")
result = "<div>Crashed! "
if errmsg != "":
result += "Error messages:" + pre(errmsg)
if running.stdout != "":
result += "Produced this output:" + pre(running.stdout)
# result += "Return code:"+pre(str(running.returncode))
result += "</div>"
return ("Sandbox Limit", result)
else: # for reference -- more detailed
return ("Internal Error",
"<div>Reference solution crashed!" + "<br>stdout:" +
pre(running.stdout) + "stderr:" + pre(running.stderr) +
"val:" + pre(str(running.returncode)) + "</div>")
running.error = check_run_error()
return running
def compile(jail,
dir,
slug,
code,
tag="reference|student",
translate_line=None):
os.makedirs(jail + dir, 0o755, exist_ok=True)
os.chdir(jail + dir)
# SAVE to FILE
with open(slug + ".cs", "w", encoding="utf-8") as f:
f.write(code)
# remove previous compilation result (if such exists)
if os.path.isfile(slug + '.exe'):
os.remove(slug + '.exe')
# COMPILE
compiler_cmd = [cfg["cs_compiler"], slug + ".cs"]
compiling = execute(compiler_cmd, "")
def check_compile_err():
if (compiling.stderr != "" or compiling.returncode != 0
or not os.path.isfile(jail + dir + slug + suffix)):
if 'student' in tag.lower(): # humanreadable info for students
errmsg = re.sub(
'(\.cs:)(\d+)(?!\d)', # should be adapted for C#
lambda m: m.group(1) + translate_line(m.group(2)),
compiling.stderr)
return ("Syntax Error", errmsg)
else: # for reference compilation - more detailed dump
return (
"Internal Error (Compiling %s)" % tag,
"cmd:" +
pre(" ".join(compiler_cmd)) + # websheet.slug + suffix
"<br>stdout:" + pre(compiling.stdout) + "<br>stderr:" +
pre(compiling.stderr) + "<br>retval:" +
pre(str(compiling.returncode)))
compiling.error = check_compile_err()
return compiling
def find(self):
results = None
args = list()
for key, value in self.__mappings__.iteritems():
column_name = value.name
column_value = getattr(self, key)
if column_value is not None:
if isinstance(value, StringField):
column_value = "'{}'".format(column_value)
elif isinstance(value, IntegerField):
column_value = column_value
args.append("{}={}".format(column_name, column_value))
sql = "SELECT * FROM {}".format(self.__table__,) if len(args) == 0 else \
"SELECT * FROM {} WHERE {}".format(self.__table__, " AND ".join(args))
if self.__show_sql__:
print sql
try:
results = config.execute(sql)
except XssforkTaskError as e:
raise XssforkTaskFindError(e)
return results
def compile( jail, dir, slug, code, tag="reference|student", translate_line=None ):
os.makedirs( jail + dir, 0o755, exist_ok=True);
os.chdir(jail + dir)
# SAVE to FILE
with open(slug + ".cs", "w", encoding="utf-8") as f:
f.write(code)
# remove previous compilation result (if such exists)
if os.path.isfile( slug + '.exe' ):
os.remove( slug + '.exe' )
# COMPILE
compiler_cmd = [cfg["cs_compiler"], slug+".cs"]
compiling = execute(compiler_cmd, "")
def check_compile_err():
if (compiling.stderr != "" or compiling.returncode != 0
or not os.path.isfile(jail + dir + slug + suffix)):
if 'student' in tag.lower(): # humanreadable info for students
errmsg = re.sub('(\.cs:)(\d+)(?!\d)', # should be adapted for C#
lambda m : m.group(1)+translate_line(m.group(2)),
compiling.stderr)
return ("Syntax Error", errmsg)
else: # for reference compilation - more detailed dump
return (
"Internal Error (Compiling %s)"%tag ,
"cmd:"+pre(" ".join(compiler_cmd))+ # websheet.slug + suffix
"<br>stdout:"+pre(compiling.stdout)+
"<br>stderr:"+pre(compiling.stderr)+
"<br>retval:"+pre(str(compiling.returncode))
)
compiling.error = check_compile_err()
return compiling
def pay_it_for_order(order_id):
sql = text("update order_ set state = 'd' where id = :id")
execute(sql, {'id': order_id})
def set_order_trans(order_id, trans_id):
sql = text('update order_ set trans_id = :trans where id = :order_id')
execute(sql, {'trans': trans_id, 'order_id': order_id})
def update_user(name, sex, phone):
username = session.get('user_id')
if not username:
return None
sql = text('update user set name = :name,sex= :sex, phone= :phone where username = :username')
execute(sql, {'username': username, 'name': name, 'sex': sex, 'phone': phone})
def register_user(user: User):
sql = text("INSERT INTO user (username, password) VALUES (:name , :password)")
return execute(sql, {"name": user.username, 'password': user.password})
parser.add_option("--skip", dest="skip")
parser.add_option("--limit", dest="limit")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.print_help()
exit(1)
#CCS.aliases = {'focal-plane': 'focal-plane-sim', 'bot-bench': 'bot-bench-sim'}
#CCS.aliases = {'focal-plane': 'ts8-fp', 'bot-bench': 'bot-bench' }
# Assume if run is set we are running under eTraveler
if options.run:
fp = CCS.attachProxy('focal-plane')
time.sleep(10.0)
versions.write_versions(fp)
configs.write_config(fp, ['Sequencer', 'Rafts'])
import config
cfg = config.parseConfig(args[0])
config.execute(
cfg, {
"dry_run": options.dry_run,
"run": options.run,
"symlink": options.symlink,
"skip": options.skip,
"limit": options.limit
})
def listar_productos(self):
prod = config.select(producto)
result = config.execute(prod)
def grade(reference_solution, student_solution, translate_line, websheet):
cpp_compiler = config.config_jo["cpp_compiler"]
unusable_cppflags = []
# following http://bits.usc.edu/cs103/compile/
default_cppflags = ["-g",
"-Wall", "-Wshadow", "-Wunreachable-code",
"-Wconversion",
"-Wno-sign-compare", "-Wno-write-strings"]
if "clang" in cpp_compiler: # good options, but not in g++
default_cppflags += ["-Wvla", "-Wno-shorten-64-to-32", "-Wno-sign-conversion", "-fsanitize=undefined"]
else:
unusable_cppflags = ["-Wno-array-bounds","-Wno-return-stack-address","-Wunreachable-code"]
websheet.unusable_cppflags = unusable_cppflags
# create a temp directory
refdir = config.create_tempdir()
studir = config.create_tempdir()
# put slug.cpp
jail = config.config_jo["java_jail-abspath"]
refcpp = open(jail + refdir + websheet.slug + ".cpp", "w", encoding="utf-8")
refcpp.write(reference_solution)
refcpp.close()
stucpp = open(jail + studir + websheet.slug + ".cpp", "w", encoding="utf-8")
stucpp.write(student_solution)
stucpp.close()
suffix = ""
if websheet.lang == "C++func": suffix = ".o"
compile_list = [cpp_compiler] + websheet.cppflags(default_cppflags)
compile_args = []
if websheet.lang == "C++func":
compile_args += ["-c"]
compile_args += [websheet.slug + ".cpp", "-o", websheet.slug + suffix]
# build reference
if not websheet.example:
os.chdir(jail + refdir)
refcompile = execute(compile_list + compile_args, "")
if (refcompile.stderr != "" or refcompile.returncode != 0
or not os.path.isfile(jail + refdir + websheet.slug + suffix)):
return ("Internal Error (Compiling Reference)",
"cmd:"+pre(" ".join(compile_list))+
"<br>stdout:"+pre(refcompile.stdout)+
"<br>stderr:"+pre(refcompile.stderr)+
"<br>retval:"+pre(str(refcompile.returncode)))
# build student
os.chdir(jail + studir)
stucompile = execute(compile_list + compile_args, "")
result = "<div>Compiling: saving your code as "+tt(websheet.slug+".cpp")
result += " and calling "+tt(" ".join(["compile"] + compile_args))
if stucompile.stdout!="":
result += pre(stucompile.stdout)
result += "</div>"
if (stucompile.stderr != "" or stucompile.returncode != 0
or not os.path.isfile(jail + studir + websheet.slug + suffix)):
msg = re.sub('(\.cpp:)(\d+)(?!\d)',
lambda m : m.group(1)+translate_line(m.group(2)),
stucompile.stderr)
result += "<div>Did not compile. Error message:"+pre(msg)+"</div>"
return ("Syntax Error", result)
if len(websheet.tests)==0:
return ("Internal Error", "No tests defined!")
def example_literal(cpptype):
known = {"int":"0", "double":"0.0", "bool":"false", "char":"'x'", "string":'""', "char*": '(char*)NULL', "char[]": '""'}
if cpptype in known: return known[cpptype]
return None
for test in websheet.tests:
if websheet.lang =='C++func' and test[0]=="check-function":
funcname = test[1]
returntype = test[2]
if (returntype == "void"):
global void_functions
void_functions += [funcname]
argtypes = test[3]
literals = [None] * len(argtypes)
for i in range(len(literals)):
literals[i] = example_literal(argtypes[i])
if literals[i] == None:
return ("Internal Error", tt("need example_literal for " + argtypes[i]))
tester = student_solution
tester += "\n#include <iostream>\n" + returntype + "(*some_unique_identifier)(" + ', '.join(argtypes) + ") = &" + funcname + ";"
tester += "\n" + " void even_uniquer() { " + funcname + "(" + ', '.join(literals) + ");}"
tester += "\n" + "int main() {}\n"
newslug = websheet.slug + "test"
cpp = open(jail + refdir + newslug + ".cpp", "w")
cpp.write(tester)
cpp.close()
compile_list = [cpp_compiler] + websheet.cppflags(default_cppflags)
compile_list += [newslug + ".cpp", "-o", newslug + suffix]
os.chdir(jail + refdir)
refcompile = execute(compile_list, "")
if (refcompile.stderr != "" or refcompile.returncode != 0
or not os.path.isfile(jail + refdir + websheet.slug + suffix)):
text = ("<div><!--"+refcompile.stderr+"-->"+
"You must define a function "
+ tt(funcname) +
( " taking no arguments" if len(argtypes)==0 else
(" taking arguments of types " + tt(", ".join(argtypes))))
+ " and with return type " + tt(returntype) + "</div>")
return ("Failed Tests",
text + "<!--" +
"stdout:"+pre(refcompile.stdout)+
"<br>stderr:"+pre(refcompile.stderr)+
"<br>retval:"+pre(str(refcompile.returncode))
+"-->" )
continue # check-function
if websheet.lang=='C++func' and test[0]=="call-function":
funcname = test[1]
args = test[2]
testline = funcname + "(" + ', '.join(args) + ")"
testmain = "\n#include <iostream>\nint main(){std::cout << std::showpoint << std::boolalpha;"
if funcname not in void_functions: testmain += "std::cout << "
testmain += testline + ";}\n"
stutester = student_solution + testmain
reftester = reference_solution + testmain
newslug = websheet.slug + "test"
compile_list = [cpp_compiler] + websheet.cppflags(default_cppflags)
compile_list += [newslug + ".cpp", "-o", newslug]
if not websheet.example:
cpp = open(jail + refdir + newslug + ".cpp", "w")
# print(reftester)
cpp.write(reftester)
cpp.close()
os.chdir(jail + refdir)
refcompile = execute(compile_list, "")
if (refcompile.stderr != "" or refcompile.returncode != 0
or not os.path.isfile(jail + refdir + newslug)):
return ("Internal Error: Reference Type Check Failed",
"<!--" +
"stdout:"+pre(refcompile.stdout)+
"<br>stderr:"+pre(refcompile.stderr)+
"<br>retval:"+pre(str(refcompile.returncode))
+"-->" )
cpp = open(jail + studir + newslug + ".cpp", "w")
cpp.write(stutester)
cpp.close()
os.chdir(jail + studir)
stucompile = execute(compile_list, "")
if (stucompile.stderr != "" or stucompile.returncode != 0
or not os.path.isfile(jail + refdir + newslug)):
return ("Internal Error: Type Check Failed",
"<!--" +
"stdout:"+pre(stucompile.stdout)+
"<br>stderr:"+pre(stucompile.stderr)+
"<br>retval:"+pre(str(stucompile.returncode))
+"-->" )
# call-function
if funcname in void_functions:
result += "<div>Calling " + tt(testline) + "…</div>"
else:
result += "<div>Printing the result of calling " + tt(testline) + "…</div>"
exename = newslug
stdin = ""
args = []
if websheet.lang=='C++': # normal test, calling main
stdin = ""
args = []
if 'stdin' in test:
stdin = test['stdin']
if 'args' in test:
args = test['args']
cmd = websheet.slug
if len(args) > 0: cmd += " " + " ".join(args)
result += "<div>Running " + tt("./" + cmd)
if len(stdin) > 0:
result += " on input " + pre(stdin)
else:
result += "…"
result += "</div>"
exename = websheet.slug
cfg = config.config_jo
cmd = [cfg["safeexec-executable-abspath"]]
cmd += ["--chroot_dir", cfg["java_jail-abspath"]]
cmd += ["--exec_dir", "/" + refdir]
cmd += ["--clock", "1"]
cmd += ["--mem", "40000"]
cmd += ["--exec", exename]
cmd += args
if not websheet.example:
runref = execute(cmd, stdin)
if runref.returncode != 0 or not runref.stderr.startswith("OK"):
result += "<div>Reference solution crashed!"
result += "<br>stdout:"+pre(runref.stdout)
result += "stderr:"+pre(runref.stderr)
result += "val:"+pre(str(runref.returncode))
result += "</div>"
return ("Internal Error", result)
cmd = [cfg["safeexec-executable-abspath"]]
cmd += ["--chroot_dir", cfg["java_jail-abspath"]]
cmd += ["--exec_dir", "/" + studir]
cmd += ["--clock", "1"]
cmd += ["--mem", "40000"]
cmd += ["--exec", exename]
cmd += args
runstu = execute(cmd, stdin, flag_badchars = True)
if websheet.slug == "ascii_table":
# this is the unique exercise where a corrcet solution uses a badchar
runstu.stdout = runstu.stdout.replace("\\u007f", chr(127))
if runstu.returncode != 0 or not runstu.stderr.startswith("OK"):
result += "<div>Crashed! "
errmsg = runstu.stderr
if "elapsed time:" in errmsg:
errmsg = errmsg[:errmsg.index("elapsed time:")]
errmsg = errmsg.replace("Command terminated by signal (8: SIGFPE)",
"Floating point exception")
errmsg = errmsg.replace("Command terminated by signal (11: SIGSEGV)",
"Segmentation fault (core dumped)")
if errmsg != "":
result += "Error messages:" + pre(errmsg)
if runstu.stdout != "":
result += "Produced this output:"+pre(runstu.stdout)
# result += "Return code:"+pre(str(runstu.returncode))
result += "</div>"
return ("Sandbox Limit", result)
if websheet.example:
result += "<div>Printed this output:"
result += pre(runstu.stdout) + "</div>"
continue
stucanon = re.sub(' +$', '', runstu.stdout, flags=re.MULTILINE)
refcanon = re.sub(' +$', '', runref.stdout, flags=re.MULTILINE)
if (stucanon == refcanon
or stucanon == refcanon + "\n" and not refcanon.endswith("\n")):
result += "<div>Passed! Printed this correct output:"
result += pre(runstu.stdout, True) + "</div>"
elif stucanon == refcanon + "\n":
result += "<div>Failed! Printed this output:"
result += pre(runstu.stdout, True)
result += "which is almost correct but <i>you printed an extra newline at the end</i>.</div>"
return ("Failed Tests", result)
elif refcanon == stucanon + "\n":
result += "<div>Failed! Printed this output:"
result += pre(runstu.stdout, True)
result += "which is almost correct but <i>you are missing a newline at the end</i>.</div>"
return ("Failed Tests", result)
else:
result += "<div>Failed! Printed this incorrect output:"
result += pre(runstu.stdout, True)
result += "Expected this correct output instead:"
result += pre(runref.stdout, True) + "</div>"
return ("Failed Tests", result)
if websheet.example:
return ("Example", result)
else:
result += "<div>Passed all tests!</div>"
return ("Passed", result)
def grade(reference_solution, student_solution, translate_line, websheet):
cpp_compiler = config.config_jo["cpp_compiler"]
unusable_cppflags = []
# following http://bits.usc.edu/cs103/compile/
default_cppflags = [
"-g", "-Wall", "-Wshadow", "-Wunreachable-code", "-Wconversion",
"-Wno-sign-compare", "-Wno-write-strings"
]
if "clang" in cpp_compiler: # good options, but not in g++
default_cppflags += [
"-Wvla", "-Wno-shorten-64-to-32", "-Wno-sign-conversion",
"-fsanitize=undefined"
]
else:
unusable_cppflags = [
"-Wno-array-bounds", "-Wno-return-stack-address",
"-Wunreachable-code"
]
websheet.unusable_cppflags = unusable_cppflags
# create a temp directory
refdir = config.create_tempdir()
studir = config.create_tempdir()
# put slug.cpp
jail = config.config_jo["java_jail-abspath"]
refcpp = open(jail + refdir + websheet.slug + ".cpp",
"w",
encoding="utf-8")
refcpp.write(reference_solution)
refcpp.close()
stucpp = open(jail + studir + websheet.slug + ".cpp",
"w",
encoding="utf-8")
stucpp.write(student_solution)
stucpp.close()
suffix = ""
if websheet.lang == "C++func": suffix = ".o"
compile_list = [cpp_compiler] + websheet.cppflags(default_cppflags)
compile_args = []
if websheet.lang == "C++func":
compile_args += ["-c"]
compile_args += [websheet.slug + ".cpp", "-o", websheet.slug + suffix]
# build reference
if not websheet.example:
os.chdir(jail + refdir)
refcompile = execute(compile_list + compile_args, "")
if (refcompile.stderr != "" or refcompile.returncode != 0
or not os.path.isfile(jail + refdir + websheet.slug + suffix)):
return ("Internal Error (Compiling Reference)",
"cmd:" + pre(" ".join(compile_list)) + "<br>stdout:" +
pre(refcompile.stdout) + "<br>stderr:" +
pre(refcompile.stderr) + "<br>retval:" +
pre(str(refcompile.returncode)))
# build student
os.chdir(jail + studir)
stucompile = execute(compile_list + compile_args, "")
result = "<div>Compiling: saving your code as " + tt(websheet.slug +
".cpp")
result += " and calling " + tt(" ".join(["compile"] + compile_args))
if stucompile.stdout != "":
result += pre(stucompile.stdout)
result += "</div>"
if (stucompile.stderr != "" or stucompile.returncode != 0
or not os.path.isfile(jail + studir + websheet.slug + suffix)):
msg = re.sub('(\.cpp:)(\d+)(?!\d)',
lambda m: m.group(1) + translate_line(m.group(2)),
stucompile.stderr)
result += "<div>Did not compile. Error message:" + pre(msg) + "</div>"
return ("Syntax Error", result)
if len(websheet.tests) == 0:
return ("Internal Error", "No tests defined!")
def example_literal(cpptype):
known = {
"int": "0",
"double": "0.0",
"bool": "false",
"char": "'x'",
"string": '""',
"char*": '(char*)NULL',
"char[]": '""'
}
if cpptype in known: return known[cpptype]
return None
for test in websheet.tests:
if websheet.lang == 'C++func' and test[0] == "check-function":
funcname = test[1]
returntype = test[2]
if (returntype == "void"):
global void_functions
void_functions += [funcname]
argtypes = test[3]
literals = [None] * len(argtypes)
for i in range(len(literals)):
literals[i] = example_literal(argtypes[i])
if literals[i] == None:
return ("Internal Error",
tt("need example_literal for " + argtypes[i]))
tester = student_solution
tester += "\n#include <iostream>\n" + returntype + "(*some_unique_identifier)(" + ', '.join(
argtypes) + ") = &" + funcname + ";"
tester += "\n" + " void even_uniquer() { " + funcname + "(" + ', '.join(
literals) + ");}"
tester += "\n" + "int main() {}\n"
newslug = websheet.slug + "test"
cpp = open(jail + refdir + newslug + ".cpp", "w")
cpp.write(tester)
cpp.close()
compile_list = [cpp_compiler] + websheet.cppflags(default_cppflags)
compile_list += [newslug + ".cpp", "-o", newslug + suffix]
os.chdir(jail + refdir)
refcompile = execute(compile_list, "")
if (refcompile.stderr != "" or refcompile.returncode != 0
or not os.path.isfile(jail + refdir + websheet.slug +
suffix)):
text = ("<div><!--" + refcompile.stderr + "-->" +
"You must define a function " + tt(funcname) +
(" taking no arguments" if len(argtypes) == 0 else
(" taking arguments of types " +
tt(", ".join(argtypes)))) +
" and with return type " + tt(returntype) + "</div>")
return ("Failed Tests", text + "<!--" + "stdout:" +
pre(refcompile.stdout) + "<br>stderr:" +
pre(refcompile.stderr) + "<br>retval:" +
pre(str(refcompile.returncode)) + "-->")
continue # check-function
if websheet.lang == 'C++func' and test[0] == "call-function":
funcname = test[1]
args = test[2]
testline = funcname + "(" + ', '.join(args) + ")"
testmain = "\n#include <iostream>\nint main(){std::cout << std::showpoint << std::boolalpha;"
if funcname not in void_functions: testmain += "std::cout << "
testmain += testline + ";}\n"
stutester = student_solution + testmain
reftester = reference_solution + testmain
newslug = websheet.slug + "test"
compile_list = [cpp_compiler] + websheet.cppflags(default_cppflags)
compile_list += [newslug + ".cpp", "-o", newslug]
if not websheet.example:
cpp = open(jail + refdir + newslug + ".cpp", "w")
# print(reftester)
cpp.write(reftester)
cpp.close()
os.chdir(jail + refdir)
refcompile = execute(compile_list, "")
if (refcompile.stderr != "" or refcompile.returncode != 0
or not os.path.isfile(jail + refdir + newslug)):
return ("Internal Error: Reference Type Check Failed",
"<!--" + "stdout:" + pre(refcompile.stdout) +
"<br>stderr:" + pre(refcompile.stderr) +
"<br>retval:" + pre(str(refcompile.returncode)) +
"-->")
cpp = open(jail + studir + newslug + ".cpp", "w")
cpp.write(stutester)
cpp.close()
os.chdir(jail + studir)
stucompile = execute(compile_list, "")
if (stucompile.stderr != "" or stucompile.returncode != 0
or not os.path.isfile(jail + refdir + newslug)):
return ("Internal Error: Type Check Failed", "<!--" +
"stdout:" + pre(stucompile.stdout) + "<br>stderr:" +
pre(stucompile.stderr) + "<br>retval:" +
pre(str(stucompile.returncode)) + "-->")
# call-function
if funcname in void_functions:
result += "<div>Calling " + tt(testline) + "…</div>"
else:
result += "<div>Printing the result of calling " + tt(
testline) + "…</div>"
exename = newslug
stdin = ""
args = []
if websheet.lang == 'C++': # normal test, calling main
stdin = ""
args = []
if 'stdin' in test:
stdin = test['stdin']
if 'args' in test:
args = test['args']
cmd = websheet.slug
if len(args) > 0: cmd += " " + " ".join(args)
result += "<div>Running " + tt("./" + cmd)
if len(stdin) > 0:
result += " on input " + pre(stdin)
else:
result += "…"
result += "</div>"
exename = websheet.slug
cfg = config.config_jo
cmd = [cfg["safeexec-executable-abspath"]]
cmd += ["--chroot_dir", cfg["java_jail-abspath"]]
cmd += ["--exec_dir", "/" + refdir]
cmd += ["--clock", "1"]
cmd += ["--mem", "40000"]
cmd += ["--exec", exename]
cmd += args
if not websheet.example:
runref = execute(cmd, stdin)
if runref.returncode != 0 or not runref.stderr.startswith("OK"):
result += "<div>Reference solution crashed!"
result += "<br>stdout:" + pre(runref.stdout)
result += "stderr:" + pre(runref.stderr)
result += "val:" + pre(str(runref.returncode))
result += "</div>"
return ("Internal Error", result)
cmd = [cfg["safeexec-executable-abspath"]]
cmd += ["--chroot_dir", cfg["java_jail-abspath"]]
cmd += ["--exec_dir", "/" + studir]
cmd += ["--clock", "1"]
cmd += ["--mem", "40000"]
cmd += ["--exec", exename]
cmd += args
runstu = execute(cmd, stdin, flag_badchars=True)
if websheet.slug == "ascii_table":
# this is the unique exercise where a corrcet solution uses a badchar
runstu.stdout = runstu.stdout.replace("\\u007f", chr(127))
if runstu.returncode != 0 or not runstu.stderr.startswith("OK"):
result += "<div>Crashed! "
errmsg = runstu.stderr
if "elapsed time:" in errmsg:
errmsg = errmsg[:errmsg.index("elapsed time:")]
errmsg = errmsg.replace("Command terminated by signal (8: SIGFPE)",
"Floating point exception")
errmsg = errmsg.replace(
"Command terminated by signal (11: SIGSEGV)",
"Segmentation fault (core dumped)")
if errmsg != "":
result += "Error messages:" + pre(errmsg)
if runstu.stdout != "":
result += "Produced this output:" + pre(runstu.stdout)
# result += "Return code:"+pre(str(runstu.returncode))
result += "</div>"
return ("Sandbox Limit", result)
if websheet.example:
result += "<div>Printed this output:"
result += pre(runstu.stdout) + "</div>"
continue
stucanon = re.sub(' +$', '', runstu.stdout, flags=re.MULTILINE)
refcanon = re.sub(' +$', '', runref.stdout, flags=re.MULTILINE)
if (stucanon == refcanon or stucanon == refcanon + "\n"
and not refcanon.endswith("\n")):
result += "<div>Passed! Printed this correct output:"
result += pre(runstu.stdout, True) + "</div>"
elif stucanon == refcanon + "\n":
result += "<div>Failed! Printed this output:"
result += pre(runstu.stdout, True)
result += "which is almost correct but <i>you printed an extra newline at the end</i>.</div>"
return ("Failed Tests", result)
elif refcanon == stucanon + "\n":
result += "<div>Failed! Printed this output:"
result += pre(runstu.stdout, True)
result += "which is almost correct but <i>you are missing a newline at the end</i>.</div>"
return ("Failed Tests", result)
else:
result += "<div>Failed! Printed this incorrect output:"
result += pre(runstu.stdout, True)
result += "Expected this correct output instead:"
result += pre(runref.stdout, True) + "</div>"
return ("Failed Tests", result)
if websheet.example:
return ("Example", result)
else:
result += "<div>Passed all tests!</div>"
return ("Passed", result)
def compile(jail,
dir,
slug,
code,
tag="reference|student",
translate_line=None):
os.makedirs(jail + dir, 0o755, exist_ok=True)
os.chdir(jail + dir)
# SAVE to FILE
with open(slug + ".cpp", "w", encoding="utf-8") as f:
f.write(code)
# remove previous compilation result (if such exists)
if os.path.isfile(slug):
os.remove(slug)
# COMPILE
default_cppflags = [
"-g", "-Wall", "-Wshadow", "-Wunreachable-code", "-Wconversion",
"-Wno-sign-compare", "-Wno-write-strings"
]
if "clang" in cfg["cpp_compiler"]: # good options, but not in g++
default_cppflags += [
"-Wvla", "-Wno-shorten-64-to-32", "-Wno-sign-conversion",
"-fsanitize=undefined"
]
else:
unusable_cppflags = [
"-Wno-array-bounds", "-Wno-return-stack-address",
"-Wunreachable-code"
]
compile_args = [slug + ".cpp", "-o", slug]
#~ def cppflags( defaultflags):
#~ flags = [i for i in defaultflags if i not in self.cppflags_remove]
#~ flags += self.cppflags_add
#~ return [i for i in flags if i not in self.unusable_cppflags]
#~
#~ compile_list = [cpp_compiler] + cppflags(default_cppflags)
compiler_cmd = [cfg["cpp_compiler"]] + default_cppflags + compile_args
compiling = execute(compiler_cmd, "")
def check_compile_err():
if (compiling.stderr != "" or compiling.returncode != 0
or not os.path.isfile(jail + dir + slug + suffix)):
if 'student' in tag.lower(): # humanreadable info for students
errmsg = re.sub(
'(\.cpp:)(\d+)(?!\d)', # should be adapted for C#
lambda m: m.group(1) + translate_line(m.group(2)),
compiling.stderr)
return ("Syntax Error", errmsg)
else: # for reference compilation - more detailed dump
return (
"Internal Error (Compiling %s)" % tag,
"cmd:" +
pre(" ".join(compiler_cmd)) + # websheet.slug + suffix
"<br>stdout:" + pre(compiling.stdout) + "<br>stderr:" +
pre(compiling.stderr) + "<br>retval:" +
pre(str(compiling.returncode)))
compiling.error = check_compile_err()
return compiling
CCS.setDefaultTimeout(Duration.ofSeconds(30))
# Parse command line options
parser = OptionParser()
parser.add_option("--dry-run",
action="store_true",
dest="dry_run",
default=False)
parser.add_option("-9", "--ds9", action="store_true", dest="ds9")
parser.add_option("--run", dest="run")
parser.add_option("--symlink", dest="symlink")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.print_help()
exit(1)
#CCS.aliases = {'focal-plane': 'focal-plane-sim', 'bot-bench': 'bot-bench-sim'}
#CCS.aliases = {'focal-plane': 'focal-plane-sim'}
#ccs_sub.write_versions()
import config
cfg = config.parseConfig(args[0])
config.execute(cfg, {
"dry_run": options.dry_run,
"run": options.run,
"symlink": options.symlink
})
def compile( jail, dir, slug, code, tag="reference|student", translate_line=None ):
os.makedirs( jail + dir, 0o755, exist_ok=True);
os.chdir(jail + dir)
# SAVE to FILE
with open(slug + ".cpp", "w", encoding="utf-8") as f:
f.write(code)
# remove previous compilation result (if such exists)
if os.path.isfile( slug ):
os.remove( slug )
# COMPILE
default_cppflags = ["-g",
"-Wall", "-Wshadow", "-Wunreachable-code",
"-Wconversion",
"-Wno-sign-compare", "-Wno-write-strings"]
if "clang" in cfg["cpp_compiler"]: # good options, but not in g++
default_cppflags += ["-Wvla", "-Wno-shorten-64-to-32", "-Wno-sign-conversion", "-fsanitize=undefined"]
else:
unusable_cppflags = ["-Wno-array-bounds","-Wno-return-stack-address","-Wunreachable-code"]
compile_args = [slug + ".cpp", "-o", slug]
#~ def cppflags( defaultflags):
#~ flags = [i for i in defaultflags if i not in self.cppflags_remove]
#~ flags += self.cppflags_add
#~ return [i for i in flags if i not in self.unusable_cppflags]
#~
#~ compile_list = [cpp_compiler] + cppflags(default_cppflags)
compiler_cmd = [cfg["cpp_compiler"]] + default_cppflags + compile_args
compiling = execute(compiler_cmd, "")
def check_compile_err():
if (compiling.stderr != "" or compiling.returncode != 0
or not os.path.isfile(jail + dir + slug + suffix)):
if 'student' in tag.lower(): # humanreadable info for students
errmsg = re.sub('(\.cpp:)(\d+)(?!\d)', # should be adapted for C#
lambda m : m.group(1)+translate_line(m.group(2)),
compiling.stderr)
return ("Syntax Error", errmsg)
else: # for reference compilation - more detailed dump
return (
"Internal Error (Compiling %s)"%tag ,
"cmd:"+pre(" ".join(compiler_cmd))+ # websheet.slug + suffix
"<br>stdout:"+pre(compiling.stdout)+
"<br>stderr:"+pre(compiling.stderr)+
"<br>retval:"+pre(str(compiling.returncode))
)
compiling.error = check_compile_err()
return compiling